/Engine/Plugins/BlueprintFileUtils/Source/BlueprintFileUtils/Public/BlueprintFileUtilsBPLibrary.h
Checks if a directory exists
true if Directory exists, false otherwise
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="FileUtils") static bool DirectoryExists ( const [FString](API\Runtime\Core\Containers\FString) & Directory )